Maintaining the Perl 5 Core (zefram): Grant Report February 2018

This is the report from zefram on [his Perl 5 grant](http://news.perlfoundation.org/2017/06/perl-5-core-grant-proposal-zef.html) under the [Perl 5 Core Maintenance Fund](http://www.perlfoundation.org/perl_5_core_maintenance_fund) for February 2018. We thank the TPF sponsors to make this grant possible.